Greatest Common Factor of 390, 355, 640

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 390, 355, 640 by common division method
• Greatest Common Factor of 390, 355, 640 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 355

List of positive integer factors of 355 that divides 355 without a remainder.

1,5,71,355

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 390,355,640 . The biggest common factor number is the GCF number.
So the greatest common factor 390,355,640 is 5.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 537, 434, 572
• GCF of 353, 454, 150
• GCF of 587, 328, 350
• GCF of 979, 912, 435
• GCF of 271, 775, 848

1. What is the GCF of 390, 355, 640?

Answer: GCF of 390, 355, 640 is 5.

2. How to Find the GCF of 390, 355, 640

Answer: Greatest Common Factor(GCF) of 390, 355, 640 = 5

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(390, 355, 640) = 5.